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Inventor

Jan Hedlund

Inventor
Roseau, MN, US

Overview

4→
Patents
2000–2006
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B62Mprimary
B62MRider propulsion of wheeled vehicles or sledges30%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles10%
B62BHand-propelled vehicles, e.g. hand carts or perambulators10%
F02BInternal-combustion piston engines10%
F02DControlling combustion engines10%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%
Y02TClimate change mitigation technologies related to transportation10%
PatentTitleYear
7,040,437'Engine air intake system'20066,431,561'Snowmobile with asymmetric skis'20026,158,215'Varible exhaust resonance chamber valve system for two-cycle engines'20006,109,217'Snowmobile with improved cooling system'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2006Patents assigned to POLARIS INC (4)· patent assignee history
2000–2006Based in Roseau, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POLARIS INC42000–2006
Locations
LocationPatentsSpan
Roseau, Minnesota, US42000–2006